发明人李文辉,杨光,韩伟. "Method for the Synthesis of Thiourea-<SUP>13</SUP>C" [P]. 中国发明专利, 专利号 CN 115412778 A, 授权公告日 2022-12-06.
发明人郭海燕,高志强,胡光. "A Process for Preparing High-Purity Thiourea-<SUP>13</SUP>C" [P]. 中国发明专利, 专利号 CN 112185624 B, 授权公告日 2020-08-01.
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